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Mass calculations
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Questions (754)
when 56.6grams of Ca and 30.5grams Nitrogen gas undergo a reaction that has 9o% yield. what mass of calcium nitrate is formed?
1 answer
asked anonymously
62 views
when 56.6 grams of Ca and 30.5 grams Nitrogen gas undergo a reaction that has 90 % yield. what mass of calcium nitrate is
1 answer
asked anonymously
93 views
16 gram of CaC2 and 18 gram of H2O were mixed in the given reaction,
CaC2 + 2H2O it gives C2H2 + Ca(OH)2. A, what mass of Ca(OH)2
2 answers
asked anonymously
71 views
16 gram of CaC2 and 18 gram of H2O were mixed in the given reaction,
CaC2 + 2H2O it gives C2H2 + Ca(OH)2. A, what mass of Ca(OH)2
2 answers
asked anonymously
104 views
CaCOs - CO, + CaO
A scientist heats 30 grams of calcium carbonate (CaCO) in the chemical reaction shown. What is the total mass
2 answers
asked anonymously
90 views
A scientist heats 30 grams of calcium carbonate (CaCO3) in the chemical reaction shown. What is the total mass of the products?
(
5 answers
asked by
sebastian chapa
367 views
A 23.9475 g sample of impure magnesium carbonate
was heated to complete decomposition according to the equation MgCO3(s) →
4 answers
asked by
Rain
2,680 views
What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction?
C3H8(g) + 5O2(g) -> 3CO2(g) +
4 answers
asked by
Adam
989 views
16.2g of magnesium reacts exactly with 25.3g of fluorine to produce magnesium fluoride, the only product.
How many grams of
4 answers
asked by
Kevin
2,916 views
Calculate the masses of Cr2O3, N2, H20 produced from 10.8 g (NH4)2Cr2O7 [ the 2 belongs to the nh4] in an ammonium dichromate
4 answers
asked by
jecce.
1,881 views
Hydrogen peroxide, H2O2, is unstable under certain conditions and decomposes as follows:
2 H2O2 → 2 H2O + O2 ? g 34.00 g 15.98
6 answers
asked by
Ugh
3,037 views
1.)A sample of ammonium nitrate contains 70 g of nitrogen.what is the mass of the sample?
2.)no. of gram atom of ca in 100 g of
4 answers
asked by
divya
704 views
A chemist mixes 5.216 g of potassium permanganate, 2.318 g of ethanol, and excess sulfuric acid. These chemicals react as
4 answers
asked by
Joey
541 views
Iron pyrite (FeS2) is the form in whichmuch of
the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron
4 answers
asked by
cheri
1,268 views
An ore contains Fe3O4 and no other iron. The iron in a 36.5-gram sample of the ore is all converted by a series of chemical
7 answers
asked by
Gabriella
1,926 views
Consider the following unbalanced equation:
Ca3(Po4)2+H2SO-->CaSO4+H3PO What masses of calcium sulfate and phosphoric acid can be
4 answers
asked by
Robyn
1,484 views
calculate the mass of sodium sulphate required to prepare its 20%(mass percent) solution in 100 g of water
2 answers
asked by
irsha
562 views
How many kilograms of chlorine are in 24 kg of each of the following chlorofuorocarbons (CFCs)?
1) CF2CL2 express answer using
5 answers
asked by
ALISON
6,267 views
what mass of barium sulfate can be produced when 100 ml 0.100 M of solution of barium chloride is mixed with 100.0 ml of a 0.100
4 answers
asked by
mathew
4,504 views
A mixture contains only NaCl and Fe(NO3)3. A .456 gram sample of the mixture is dissolved in water and an excess of NaOH is
4 answers
asked by
kelly
2,571 views
what will be the mass of angydrous Alum left over if one starts with 100.00 g of hydrated Alum?
please can you explain what
4 answers
asked by
Jay
1,390 views
The mass of Aravin to the mass of Bob is in the ratio 17 : 13. If the difference in their masses is 12 kg, find their combined
5 answers
asked by
Joe
935 views
how many grams of dioxygen are required to burn 5.9 grams of C2H5OH?
4 answers
asked by
Anonymous
4,792 views
What mass of Cu(IO3)2 can be formed from 0.690g of CuSO4-5H2O?
5 answers
asked by
Anonymous
9,856 views
Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample
4 answers
asked by
Anonymous
8,825 views
How many grams of chlorine gas are needed to make 5.40 x 10 6 g or a solution that is 1.40 ppm chlorine by mass?
4 answers
asked by
Dustin
5,902 views
You carefully weigh out 19.00 of powder and add it to 76.95 of solution. You notice bubbles as a reaction takes place. You then
4 answers
asked by
ALISON
2,882 views
a packaging engineer is working on a new design for cold packs. A burst chamber in the pack will contain 14.0 mL of water, which
6 answers
asked by
Anonymous
3,120 views
Calculate the mass of CaCl2 formed when 5 moles of chlorine reacts with chlorine metal?
14 answers
asked by
Bilal mengistie
3,463 views
2Ca(s) + O2(g) → 2CaO(s)
Calculate the mass of calcium oxide that can be prepared from 7.52 g of Ca and 5.01 g of O2.
5 answers
asked by
Jackson
1,273 views
Q1. A 0.5 g mixture of Cu2O and CuO contain 0.425 g Cu. What is the mass of CuO in the mixture?
Q2. A chemist wants to prepare
7 answers
asked by
Adem Rutger
5,529 views
A student heats 5.128g of the sodium carbonate/sodium bicarbonate mixture to a constant mass of 4.256g. Determine the mass of
5 answers
asked by
Anna
3,688 views
What mass of copper(II) nitrate would be produced from the complete reaction of 45.6 g of copper, according to the chemical
5 answers
asked by
k
1,580 views
Calculate the mass of Mg metal requied to consume 2560g of CO2 in the reaction 2Mg+CO2 → 2MgO + C
5 answers
asked by
Anonymous
2,537 views
A chemist wants to make 4.5 L of a 0.310 M CaCl2 solution what mass of CaCl2 (in g) should the chemist use
5 answers
asked by
Lisa
5,270 views
To obtain 12 g of sucrose (MM=342) from a solution labeled 8.0% C12H22O11 by mass, we would need to weigh out ______ of
4 answers
asked by
Amanda
1,487 views
12.5g of zinc trioxocarbonate were heated very strongly to a constant mass and the residue treated with excess hydrochloric acid
6 answers
asked by
sophia
2,775 views
what mass of NaCl is contained in 24.88g of a 15% by mass solution of NaCl in water?
4 answers
asked by
Anonymous
4,084 views
How many grams of bromine can be obtained by the decomposition of 92.0 of MgBr2?
4 answers
asked by
Mel
1,013 views
Calculate the mass of H2O produced by metabolism of 2.6kg of fat, assuming the fat consists entirely of tristearin (C57H110O6),
4 answers
asked by
Anonymous
1,301 views
In one experiment, the reaction of 1.00 g mercury and an excess of sulfur yielded 1.16 g of a sulfide of mercury as the sole
4 answers
asked by
lisa
2,964 views
In a reaction, 41.8 g of chromium(III) oxide reacts with 14.8 g of aluminum to produce chromium and aluminum oxide. If 28.6 g of
4 answers
asked by
Sarah
1,733 views
What is the maximum mass of aluminum chloride that can be formed when reacting 30.0 g of aluminum with 35.0 g of chlorine?
4 answers
asked by
Summer
3,837 views
what mass of aluminim would be completely oxidized by 44.8L of oxygen to produce aluminium oxide at stp
6 answers
asked by
salem
2,621 views
Given the following balanced equation, determine the mass of iron metal that would be produced from the complete reaction of
4 answers
asked by
Sadaf
557 views
A 21.5 g sample of nickel was treated with excess silver nitrate solution to produce silver metal and nickel(II) nitrate. The
4 answers
asked by
HELPPLS
1,740 views
Consider the reaction
2D2(g)+O2(g)→2D2O(l) What is the mass of heavy water, D2O(l), produced when 3.75g of O2(g) reacts with
4 answers
asked by
Carol
1,922 views
A mixture of C3H8 and C2H2 has a mass of 2.6g . It is burned in excess O2 to form a mixture of water and carbon dioxide that
4 answers
asked by
bobert
2,606 views
If 18.0g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O how many grams of H2Oare produced
4 answers
asked by
Mat
2,960 views
An excess of zinc metal is added to 50.0 mL of a 0.100 M AgNO3 solution in a constant-pressure calorimeter. Assuming that the
5 answers
asked by
Haley
2,070 views
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